Title :
Air-clad fibre laser with internal Bragg grating
Author :
Canning, J. ; Jackson, S.D. ; Slund, M. Å ; Groothoff, N. ; Ashton, B. ; Lyytikainen, K.
Author_Institution :
Opt. Fibre Technol. Centre, Univ. of Sydney, NSW, Australia
Abstract :
An air-clad fibre laser using a Bragg grating written directly into the Yb3+ doped core as the end reflector is presented. For an unsaturated output power of 12 W and slope efficiency of 34%, there is a saturated laser wavelength shift of approximately 0.4 nm.
Keywords :
Bragg gratings; fibre lasers; optical fibre cladding; ytterbium; 12 W; Bragg grating; Yb; Yb3+ doped core; air-clad fibre laser; end reflector; laser wavelength shift;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20052851
